Ki Sung Che, M.D.
Internal Medicine Physician · Cerritos, CA
Ki Sung Che, M.D. is an internal medicine physician with a practice address in Cerritos, California, and NPI 1922139906, issued on Mar 8, 2007. Check the license (California A054222, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ki Sung Che
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A054222 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12506 South St, Cerritos, CA 90703
- Phone
- (562) 809-0142
- Enumerated
- Mar 8, 2007
- Record last updated
- Aug 25, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 12506 South St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Seowon LimFamily Nurse Practitioner1225894116
Verify Ki Sung Che in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A054222Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
118 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Atorvastatin Calcium16 claims
- Brimonidine Tartrate15 claims
- Pantoprazole Sodium15 claims
- Timolol Maleate14 claims
- Creon13 claims
- Latanoprost11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Ki Sung Che among 17,696 internal medicine physician records in California
Ki Sung Che, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2011 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 internal medicine physician records list a practice address in Cerritos
They are 23 of the 1,842 NPPES records with a practice address in Cerritos, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Cerritos → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Noel Bakh, MDCerritos, CA 907031366682742
- Mark Chung, MDCerritos, CA 907031740290378
- Robert Collen, M.D.Cerritos, CA 907031538267125
- Pinal Doshi, M.D.Cerritos, CA 907031326062712
- John Ford, M.D.Cerritos, CA 907031922071596
- Mary Eppie Gonzales, M.D.Cerritos, CA 907031649231739
- Kasey Kim, MDCerritos, CA 907031992715437
- Eric Lim, M.D.Cerritos, CA 907031902045180
Common questions
What is Ki Sung Che, M.D.'s NPI number?
Ki Sung Che, M.D.'s National Provider Identifier (NPI) is 1922139906, issued on Mar 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ki Sung Che, M.D. located?
The NPPES record lists a practice address at 12506 South St, Cerritos, CA, 90703. Phone: (562) 809-0142. Providers update this record themselves, so call before visiting.
How can I verify Ki Sung Che, M.D.'s license?
NPPES lists California license number A054222, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ki Sung Che, M.D. prescribe under Medicare Part D?
In 2024, Ki Sung Che, M.D. had 118 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.